CN213031901U - Crystallization kettle for treating pickling waste liquid - Google Patents
Crystallization kettle for treating pickling waste liquid Download PDFInfo
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- CN213031901U CN213031901U CN202021816033.0U CN202021816033U CN213031901U CN 213031901 U CN213031901 U CN 213031901U CN 202021816033 U CN202021816033 U CN 202021816033U CN 213031901 U CN213031901 U CN 213031901U
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- kettle body
- kettle
- waste liquid
- rotating shaft
- pickling waste
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Abstract
The utility model provides a crystallization kettle for treating pickling waste liquid, which comprises a kettle body, a jacket, a spiral belt and a stirrer; the jacket is fixedly sleeved on the periphery of the kettle body, a gap is reserved between the jacket and the kettle body to form a cooling cavity, a spiral belt is arranged in the cooling cavity from top to bottom, and a plurality of water inlet pipes are arranged on the side wall of the jacket from top to bottom; the stirrer is arranged in the kettle body and comprises a rotating shaft, an upper stirring mechanism and a lower stirring mechanism, wherein the upper stirring mechanism and the lower stirring mechanism are arranged on the rotating shaft from top to bottom; the lower stirring mechanism comprises a second scraper which is fixed at the bottom end of the rotating shaft and is attached to the bottom of the kettle body. The crystallization kettle has the advantages of small temperature difference between the upper part and the lower part in the kettle body, more uniform stirring and better crystallization effect.
Description
Technical Field
The utility model belongs to the technical field of spent acid treatment facility technique and specifically relates to a crystallization kettle is used in pickling waste liquid treatment.
Background
In the process of producing steel pipes by steel pipe production enterprises, steel products usually need to be pickled to remove iron scales on the surfaces, so that waste acid solution is generated inevitably, and the waste acid solution is directly discharged without being treated, thereby causing environmental pollution. Moreover, a plurality of ferrous ions exist in the waste acid solution, and direct discharge also causes resource waste. The spent acid needs to be treated to recover iron ions.
And one step of cooling and crystallizing the waste acid is to crystallize and separate out ferric salt so as to recycle the waste acid. The crystallization kettle is a crystallization device which needs chilled water or refrigerant water to be cooled rapidly in the interlayer after the materials are mixed and reacted. When the existing crystallization kettle is used for crystallization, the temperature difference between the upper layer and the lower layer is often large, which is not beneficial to crystallization; and because stirring simple structure, generally only stir the liquid at cauldron body bottom when stirring, utilize the liquid motion's characteristic to drive the liquid of cauldron body upper portion and move before, this kind of stirring mode often makes the liquid motion of cauldron body upper and lower part inhomogeneous, influences the crystallization effect.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a crystallization kettle for pickling waste liquid treatment that the internal upper and lower temperature difference of cauldron is little, the stirring is more even, crystallization effect is better.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a crystallization kettle for treating pickling waste liquid comprises a kettle body, a jacket, a spiral belt and a stirrer;
the jacket is fixedly sleeved on the periphery of the kettle body, a gap is reserved between the jacket and the kettle body to form a cooling cavity, and a spiral belt is arranged in the cooling cavity from top to bottom; the side wall of the jacket is provided with a plurality of water inlet pipes from top to bottom, and the lower part of the jacket is provided with a drain pipe;
the upper end of the kettle body is provided with a feeding hole, and the lower end of the kettle body is provided with a discharging hole; a stirrer is arranged in the kettle body and driven by a motor arranged at the top of the kettle body;
the stirrer comprises a rotating shaft, an upper stirring mechanism and a lower stirring mechanism, wherein the upper stirring mechanism and the lower stirring mechanism are arranged on the rotating shaft from top to bottom; the lower stirring mechanism comprises a second scraper fixed at the bottom end of the rotating shaft and attached to the bottom of the kettle body; the rotating shaft is connected with the motor.
Furthermore, a plurality of first through holes are formed in the spiral belt.
Further, the end portion of the first stirring rod is fixedly connected with a connecting rope, the connecting rope is fixedly connected with a hitting ball, and the motor is a forward and reverse rotating motor.
Further, lower rabbling mechanism still includes the second puddler, the one end and the pivot fixed connection of second puddler, and the other end is connected with the second scraper blade.
Further, a second helical blade is arranged on the second stirring rod.
Further, the bottom of the kettle body is arc-shaped, and the second scraper is of an arc structure matched with the bottom structure of the kettle body.
Furthermore, the thickness of the side wall of the first scraper used for scraping materials is gradually reduced to form a scraping tip.
Furthermore, a plurality of second through holes are formed in the first spiral blade.
Compared with the prior art, pickling waste liquid handles and uses crystallization kettle have following advantage:
(1) the utility model discloses a cooling intracavity between the cauldron body and the clamp cover of pickling waste liquid treatment crystallization kettle is equipped with the spiral area, is equipped with a plurality of inlet tubes that set up from top to bottom on the lateral wall of clamp cover, leads to the cooling water in the cooling intracavity through a plurality of inlet tubes, and the position of inlet tube is inequality, guarantees that new cooling water lets in every certain distance, and then can guarantee that the temperature difference of upper and lower floor is less; and the water that gets into the cooling chamber is transporting downwards gradually through the helical ribbon, can slow down the time of water whereabouts on the one hand, prolongs the route that water flows, has increased the time of heat exchange, and on the other hand can make water be in the mobile state, and dynamic water is favorable to the water intensive mixing of different temperatures, has guaranteed that the temperature is unanimous. The internal agitator that is equipped with of cauldron includes rabbling mechanism and lower rabbling mechanism, can stir the internal solution of whole cauldron, guarantees the homogeneity of stirring. In addition, the crystallized particles are inevitably adhered to the inner wall and the bottom in the crystallization process, and the first scraper and the second scraper can scrape the crystallized particles down to ensure that crystals are all discharged. Utilize this crystallization kettle can effectively reduce the internal upper and lower temperature difference of cauldron, more be favorable to the crystallization, the agitator can make the stirring more even, and the crystallization effect is better.
(2) The spiral area on be equipped with a plurality of first through-holes, first through-hole makes water can also see through the spiral area downflow along the in-process that the spiral area flows, is favorable to the water mixing of different temperatures.
(3) Tip fixedly connected with of first puddler connect the rope, connect rope fixedly connected with to hit the ball, the motor adopts positive and negative motor, glues on the lateral wall in order to prevent the crystal, can make the motor positive and negative rotation in the crystallization process for hit and beat the ball and be driven and constantly hit and hit cauldron internal wall, make cauldron internal wall produce vibrations, thereby make the crystal fall down.
(4) Lower rabbling mechanism still include the second puddler, be equipped with second helical blade on the second puddler, second helical blade can further improve the stirring degree to the liquid of bottom.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a schematic structural view of a crystallization kettle for treating pickling waste liquid according to an embodiment of the present invention;
FIG. 2 is a partial cutaway view of a crystallization kettle for pickling waste liquid treatment according to an embodiment of the present invention;
FIG. 3 is a sectional view of a crystallization kettle for treating pickling waste liquid according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an agitator according to an embodiment of the present invention.
Description of reference numerals:
1-kettle body; 2-a jacket; 3-a helical band; 4-a first via; 5-water inlet pipe; 6, a motor; 7-a rotating shaft; 8-a first helical blade; 9-a first stirring rod; 10-connecting ropes; 11-hitting a ball; 12-a support bar; 13-a first scraper; 14-a second stirring rod; 15-a second scraper; 16-a feed inlet; 17-a discharge hole; 18-a drain pipe; 19-a second via; 20-second helical blade.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
FIG. 1 is a schematic structural view of a crystallization kettle for treating pickling waste liquid according to an embodiment of the present invention; FIG. 2 is a partial cutaway view of a crystallization kettle for pickling waste liquid treatment according to an embodiment of the present invention; FIG. 3 is a sectional view of a crystallization kettle for treating pickling waste liquid according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of an agitator according to an embodiment of the present invention.
As shown in fig. 1-4, a crystallization kettle for pickling waste liquid treatment comprises a kettle body 1, a jacket 2, a spiral belt 3 and a stirrer;
the jacket 2 is fixedly sleeved on the periphery of the kettle body 1, a gap is reserved between the jacket 2 and the kettle body 1 to form a cooling cavity, and a spiral belt 3 is arranged in the cooling cavity from top to bottom; a plurality of water inlet pipes 5 are arranged on the side wall of the jacket 2 from top to bottom, and a water discharge pipe 18 is arranged at the lower part of the jacket 2;
the upper end of the kettle body 1 is provided with a feeding hole 16, and the lower end of the kettle body 1 is provided with a discharging hole 17; a stirrer is arranged in the kettle body 1 and driven by a motor 6 arranged at the top of the kettle body;
the stirrer comprises a rotating shaft 7, an upper stirring mechanism and a lower stirring mechanism, wherein the upper stirring mechanism and the lower stirring mechanism are arranged on the rotating shaft 7 from top to bottom, the upper stirring mechanism comprises a first helical blade 8 arranged on the rotating shaft 7, a first stirring rod 9 arranged on the rotating shaft 7 between adjacent blades of the first helical blade 8, supporting rods 12 arranged on the rotating shaft 7 at the upper end and the lower end of the first helical blade 8, and a first scraper 13 fixed at the end part of the supporting rod 12 and attached to the inner wall of the kettle body 1; the lower stirring mechanism comprises a second scraper 15 which is fixed at the bottom end of the rotating shaft 7 and is attached to the bottom of the kettle body 1; the rotating shaft 7 is connected with the motor 6.
The cooling cavity between the kettle body 1 and the jacket 2 of the crystallization kettle for treating the pickling waste liquid is internally provided with a spiral belt 3, the side wall of the jacket 2 is provided with a plurality of water inlet pipes 5 which are arranged up and down, cooling water is introduced into the cooling cavity through the plurality of water inlet pipes 5, the positions of the water inlet pipes 5 are different, new cooling water is introduced at intervals, and the water temperature difference between the upper layer and the lower layer is ensured to be smaller; and the water that gets into the cooling chamber is transporting downwards gradually through helical ribbon 3, can slow down the time of water whereabouts on the one hand, prolongs the route that water flows, has increased the time of heat exchange, and on the other hand can make water be in the mobile state, and dynamic water is favorable to the water intensive mixing of different temperatures, has guaranteed that the temperature is unanimous. The agitator that is equipped with in the cauldron body 1 includes rabbling mechanism and lower rabbling mechanism, can stir the internal solution of whole cauldron, guarantees the homogeneity of stirring. In addition, it is inevitable that crystallized particles stick to the inner wall and the bottom during crystallization, and the first scraper 13 and the second scraper 15 can scrape the crystallized particles off to ensure that all crystals are discharged. Utilize this crystallization kettle can effectively reduce the internal upper and lower temperature difference of cauldron, more be favorable to the crystallization, the agitator can make the stirring more even, and the crystallization effect is better.
Illustratively, the spiral belt 3 is provided with a plurality of first through holes 4. The first through holes 4 enable water to flow downwards through the spiral band 3 in the process of flowing along the spiral band, and water at different temperatures is mixed uniformly.
Illustratively, a connecting rope 10 is fixedly connected to an end portion of the first stirring rod 9, a hitting ball 11 is fixedly connected to the connecting rope 10, and the motor 6 is a forward and reverse rotating motor. In order to prevent the crystals from being stuck on the side wall, the motor can be rotated positively and negatively in the crystallization process, so that the hitting balls 11 are driven to hit the inner wall of the kettle body 1 continuously, the inner wall of the kettle body 1 vibrates, and the crystals fall down.
Illustratively, the lower stirring mechanism further comprises a second stirring rod 14, one end of the second stirring rod 14 is fixedly connected with the rotating shaft 7, and the other end is connected with a second scraper 15.
Specifically, the second stirring rod 14 is provided with a second helical blade 20. The second helical blade 20 can further improve the uniformity of stirring of the liquid at the bottom.
Illustratively, the bottom of the kettle body 1 is arc-shaped, and the second scraper 15 is an arc-shaped structure matched with the bottom structure of the kettle body 1.
Illustratively, the thickness of the side wall of the first scraper 13 for scraping is gradually reduced to form a scraping tip.
Illustratively, the first helical blade 8 is provided with a plurality of second through holes 19.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A crystallization kettle for treating pickling waste liquid is characterized in that: comprises a kettle body (1), a jacket (2), a spiral belt (3) and a stirrer;
the jacket (2) is fixedly sleeved on the periphery of the kettle body (1), a gap is reserved between the jacket (2) and the kettle body (1) to form a cooling cavity, and a spiral belt (3) is arranged in the cooling cavity from top to bottom; a plurality of water inlet pipes (5) are arranged on the side wall of the jacket (2) from top to bottom, and a drain pipe (18) is arranged at the lower part of the jacket (2);
a feed inlet (16) is formed in the upper end of the kettle body (1), and a discharge outlet (17) is formed in the lower end of the kettle body (1); a stirrer is arranged in the kettle body (1) and driven by a motor (6) arranged at the top of the kettle body;
the stirrer comprises a rotating shaft (7), an upper stirring mechanism and a lower stirring mechanism, wherein the upper stirring mechanism and the lower stirring mechanism are arranged on the rotating shaft (7) from top to bottom, the upper stirring mechanism comprises a first helical blade (8) arranged on the rotating shaft (7), a first stirring rod (9) arranged on the rotating shaft (7) between adjacent blades of the first helical blade (8), a supporting rod (12) arranged on the rotating shaft (7) at the upper end and the lower end of the first helical blade (8), and a first scraper blade (13) fixed at the end part of the supporting rod (12) and attached to the inner wall of the kettle body (1); the lower stirring mechanism comprises a second scraper (15) which is fixed at the bottom end of the rotating shaft (7) and is attached to the bottom of the kettle body (1); the rotating shaft (7) is connected with the motor (6).
2. The crystallization kettle for pickling waste liquid treatment according to claim 1, characterized in that: the spiral belt (3) is provided with a plurality of first through holes (4).
3. The crystallization kettle for pickling waste liquid treatment according to claim 1, characterized in that: the end part of the first stirring rod (9) is fixedly connected with a connecting rope (10), the connecting rope (10) is fixedly connected with a hitting ball (11), and the motor (6) is a forward and reverse rotating motor.
4. The crystallization kettle for pickling waste liquid treatment according to claim 1, characterized in that: the lower stirring mechanism further comprises a second stirring rod (14), one end of the second stirring rod (14) is fixedly connected with the rotating shaft (7), and the other end of the second stirring rod is connected with a second scraper (15).
5. The crystallization kettle for pickling waste liquid treatment according to claim 4, characterized in that: and a second helical blade (20) is arranged on the second stirring rod (14).
6. The crystallization kettle for pickling waste liquid treatment according to claim 1, characterized in that: the bottom of the kettle body (1) is arc-shaped, and the second scraper blade (15) is of an arc structure matched with the bottom structure of the kettle body (1).
7. The crystallization kettle for pickling waste liquid treatment according to claim 1, characterized in that: the thickness of the side wall of the first scraper (13) used for scraping materials is gradually reduced to form a scraping tip.
8. The crystallization kettle for pickling waste liquid treatment according to claim 1, characterized in that: and a plurality of second through holes (19) are formed in the first helical blade (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021816033.0U CN213031901U (en) | 2020-08-27 | 2020-08-27 | Crystallization kettle for treating pickling waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021816033.0U CN213031901U (en) | 2020-08-27 | 2020-08-27 | Crystallization kettle for treating pickling waste liquid |
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| Publication Number | Publication Date |
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| CN213031901U true CN213031901U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021816033.0U Active CN213031901U (en) | 2020-08-27 | 2020-08-27 | Crystallization kettle for treating pickling waste liquid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750564A (en) * | 2021-09-30 | 2021-12-07 | 江苏筑美科技有限公司 | Crystallization kettle |
| CN114618185A (en) * | 2022-03-01 | 2022-06-14 | 浙江长城搅拌设备股份有限公司 | Benzyl ester suspension crystallization kettle stirrer |
-
2020
- 2020-08-27 CN CN202021816033.0U patent/CN213031901U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750564A (en) * | 2021-09-30 | 2021-12-07 | 江苏筑美科技有限公司 | Crystallization kettle |
| CN114618185A (en) * | 2022-03-01 | 2022-06-14 | 浙江长城搅拌设备股份有限公司 | Benzyl ester suspension crystallization kettle stirrer |
| CN114618185B (en) * | 2022-03-01 | 2023-11-03 | 浙江长城搅拌设备股份有限公司 | Benzyl ester suspension crystallization kettle stirrer |
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